Cargo · Not tested by Will
Tern GSD S10: specs and how it compares
Not tested. Will hasn't ridden this bike. Specs come from Tern's own site, written in our words, and each one is linked below. For bikes he has tested, see the reviews.
Class: Tern lists 20 mph assist (US) but no class. E-bike laws by state
$7,999
Price as of Oct 26, 2026 on Tern's site. Sold through dealers; stock not listed.
Our take
The GSD S10 is Tern's flagship compact longtail. It's rated to 463 lb gross, has ABS brakes and a Bosch Cargo Line motor, and can take a second battery. It costs $7,999 through dealers and weighs 82 lb. It's built to replace a car for family hauling.
Closest bike Will has tested

Aventon Abound LR
Will reviewed it: a cargo e-bike he filmed and hauled with.
Read Will's reviewSpecs
| E-bike class | not listed |
|---|---|
| Motor | Bosch Cargo Line, 85 Nm |
| Battery | 545 Wh; takes a second battery (up to 2 x 800 Wh) |
| Claimed range | 28 to 61 mi; up to 122 mi with two batteries (maker's figures) |
| Weight | 82.3 lb (37.32 kg) |
| Max load (gross, including bike) | 463 lb (210 kg) gross, including the bike; rear rack rated for 220 lb |
| Brakes | Magura MT-C ABS 4-piston hydraulic discs, 203 mm |
| Suspension | Suntour fork; Cane Creek suspension seatpost |
| Tires | Schwalbe Pick-Up 20 in |
| Gears | Shimano Deore 10-speed, 11-42T |
| Pedal sensor | not listed |
| Rider height | One size, 153 to 200 cm (5'0" to 6'7") |
Tern lists 20 mph assist (US) but no class. Check e-bike laws in your state.
Versions
- Tern GSD S10: Model captured
Compared with similar bikes
| Tern GSD S10not tested | Aventon Abound LR | Blix Packa | Aventon Abound | |
|---|---|---|---|---|
| Price | $7,999 | $1,999 | $2,099 | $2,200 |
| Motor | — | 750 W | 750 W | 750 W |
| Torque | 85 Nm | 80 Nm | — | — |
| Battery | 545 Wh | 733 Wh | 1344 Wh | 720 Wh |
| Weight | 82.3 lb | 88 lb | 67 lb | — |
| Payload | 463 lb | 440 lb | 250 lb | 440 lb |
| AEB Score | 4.6 (provisional) | 6.1 | 6.4 | 6.8 |
Specs for the other bikes come from their pages on this site; ones marked spec profile haven't been ridden by Will. Prices change, so check the review page for the latest.
What owners say
We haven't gathered enough owner reviews from sources we trust yet, so there's no summary for now.
Sources
- www.ternbicycles.com, specs checked Oct 26, 2026
Page updated Oct 26, 2026.